RUBIACE®. CLXXXVIII. Diopia. 
12 D. sarmentosa (Swartz, fl. ind. occ. 1. p. 231.) stem 
climbing, suffruticulose, tetragonal, villous, particularly on the 
angles; leaves oval-oblong, acute, scabrous from murice, rù- 
gosely nerved in the adult state; bristles of stipulas stiffish ; 
fruit oval, rather tetragonal, crowned by the 4 lanceolate teeth 
of the calyx. h. S. Native of Jamaica, Porto-Rico, St. 
Thomas, &c. Spermacéce radula, Spreng. neu. entd. 2. p- 144. 
Schultes, mant. 3. p. 207. but not of Willd.—Diddia sarmen- 
tòsa è Guadalupa, Spreng. syst. 1. p. 405. is a species of Bor- 
réria. Flowers solitary, axillary, white. Corolla with a tetra- 
gonal tube. 
Twiggy Diodia. F]. June, Aug. Clt. 1821. Shrub cl. 
13 D. ramwròra (D. C. prod. 4. p. 563.) stems suffruti- 
cose; branches nearly terete, clothed with velvety down ; leaves 
lanceolate, acutely awned, rather downy above, and scabrous be- 
neath from hispid down; bristles of stipulas numerous, long ; 
corolla campanulately funnel-shaped, with a broad glabrous 
throat, and acute rather ciliated lobes ; fruit obovate-globose, 
crowned by the 4 linear teeth of the calyx. h. S. Native of 
St. Domingo, Spermacice barbata, Spreng. in herb. Balb. but 
not of Lam. D. scandens, Vahl, herb. ex Puer. Very nearly 
allied to D. sedndens, and probably only a variety of it. Corolla 
5 lines long, obconical, white. 
Broad-flonered Diodia. Shrub cl. 
14 D. cranpirtora (D. C. prod. 4. p. 563.) stems twiggy, 
flexuous, sparingly branched, tetragonal, glabrous, hardly pilose 
at top; leaves linear, cuspidate, glabrous on both surfaces, with 
serrulately scabrous margins, ciliated at the base; bristles of sti- 
pulas equal in length to the fruit; flowers axillary, sessile, op- 
posite; corolla glabrous; fruit obovate-globose, rather hairy, 
crowned by the 4 lanceolate, acuminated, unequal calycine teeth. 
h.S. Native of St. Domingo, where it was collected by Bertero. 
Spermacdce grandiflora, Spreng. neu. entd. 3. p. 45. syst. 1. p. 
400. Flowers white. Nuts of fruit truly indehiscent. Allied 
to D. scandens and D. latiflora. 
Great-flowered Diodia. Shrub. 
: 15 D. conre’rta (D.C. prod. 4. p. 563.) stem ascending ; 
ranches hairy, almost tetragonal; leaves ovate, acuminated, termi- 
nated by a long hair each, sessile, with serrulately scabrous edges, 
rane beneath ; bristles of stipulas numerous, stiff, longer than the 
Sheath, k. S. Native of Brazil, where it was collected by Schott. 
bermacoce conférta, Schott. ex Pohl, in litt. Fruit not seen, but 
tom its analogy with D. polyseta it has been placed in this genus. 
Cromded-flowered Diodia. Shrub 3 to 4 feet. 
tae D. sem'cera (D. C. prod. 4. p. 563.) stem ascending, 
sile ruticose at the base, somewhat tetragonal, hairy ; leaves ses- 
: 5 one, subcordate at the base, and terminating in 
ra ad at the apex, ciliated on the nerve and margins: the 
he ot towards the base; bristles of stipulas longer than 
Ao eath, which is smoothish ; fruit nearly globose, ribbed, 
Si der crowned by the 4 teeth of the calyx. h.S. Native 
i razil, about Bahia, in arid places, where it was collected by 
alzmann, Corolla blue, with acuminated lobes. 
a a ene Diodia. Shrub ascending. 
RA -? Barga`ra (D.C. 1. c.) plant procumbent, scabrous ; 
of nches tetragonal, downy ; leaves lanceolate, villous ; bristles 
stipulas long ; flowers few, axillary.—Native of St. Domingo. 
j ni barbàta, Lam. ill. no. 1437. Poir. dict. 7. p. 314. 
os to D. longiflira and D. longiséta, but the fruit is un- 
PA The flowers are said to be small. Leaves hardly an 
B ong : Superior ones disposed in fascicles. 
Sia Diodia. Pl. procumbent. ; 
twig, | SOLYSE ra (D. C. 1. c.) branches or stems simple, 
Seog! rather tetragonal, hispid from long spreading stiff hairs ; 
a bs anceolate, acute, hispid from long spreading pili; bristles 
: sa numerous, long, stiffish; fruit 2-3-together, axillary, 
-H 
625 
roundish, crowned by the 4 small teeth of the calyx. kh. S. 
Native of Porto-Rico. 
Many-bristled Diodia. Shrub. 
19 D. mari'rma (Schum. pl. guin. p. 75.) stems prostrate, 
tetragonal, with furrowed sides, and scabrous angles ; leaves 
oval or oblong, having the margins scabrous from serrulations, 
rather downy or hairy on both surfaces; bristles of sti- 
pulas stiffish ; fruit oval-oblong, crowned by the 4 lanceolate 
teeth of the calyx. 3. S. Native of Guinea, along the coast 
in the sand. Flowers white. 
Var. (3, commutata (D. C. prod. 4. p. 564.) leaves glabrous 
on both surfaces. %4. S. Native of Porto-Rico, in the sand 
by the sea side, where it was collected by Bertero and Wydler. 
Spermacòce commutàta, Schultes, mant. 3. p. 208. There are 
varieties of this plant with either elongated or tufted branches, and 
having the axils of the leaves naked, or bearing fascicles of leaves 
or branches, and with the leaves flat, or nervosely furrowed. 
Var. serrulàta (D. C. prod. 4. p. 564.) stem erectish ; mar- 
gins of leaves evidently serrulated. Y%.H. Native of equi- 
noxia] Africa, in the kingdom of Waree. Spermacoce serrulata, 
Beauv. fl. d’ow. 1. p. 59. t. 23. Nerves of leaves reddish. 
Flowers axillary, sessile, verticillate. 
Sea-side Diodia. Pl. prostrate. 
20 D. rrepa (Cham. et Schlecht. in Linnea. 3. p. 341.) 
stem suffruticose, creeping, quadrangular, hairy ; leaves lanceo- 
late, piliferous at the apex, stiff, with serrulated margins, hairy 
beneath ; stipulas hairy, ciliated at the apex ; fruit obovate, gla- 
brous, crowned by the 4 linear-subulate teeth of the calyx. h. 
S. Native of the Spanish Main, near Caraccas ; of St. Domingo ; 
Brazil, in the province of Para, and of the Society Islands, 
Spermacoce rígida, H. B. et Kunth, nov. gen. amer. 3. p. 342. 
Sperm. apiculata and Sperm. rigida, Willd. in Schultes, syst. 3. 
p. 581. Sperm. setòsa, Willd. herb. but not of Schultes. Flowers 
white. 
Stiff Diodia. Shrub creeping. 
21 D. articuza'ra (D. C. prod. 4. p. 564.) glabrous; stem 
shrubby, terete, nodose ; leaves linear, acute at both ends, with 
rather revolute edges, also smooth on the margin and mid-rib ; 
bristles of stipulas stiff, shorter than the sheath ; whorles 6-8- 
flowered ; fruit obovate-oblong, crowned by the 4 calycine teeth. 
bh. S. Native of Brazil, where it was collected by Pohl. Sper- 
macoce articulata, Pohl, in litt. Leaves in axillary fascicles, hence 
they appear in whorles, very like those of Hippiris. 
Jointed-stemmed Diodia. Shrub. 
22 D. ROSMARINIFÒLIA (Pohl, in litt. ex D.C. prod. 4. p. 
564.) stem herbaceous, erect, simple, terete, hairy ; leaves linear, 
ending in a long hair each, with rather revolute edges, glabrous, 
but scabrous from serrulations on the margins and nerve below; 
bristles of stipulas very long; fruit oval, crowned by the 4 
calycine teeth. ©. F. Native of Brazil, where it was collected 
by Pohl. This is a very distinct species, having the cilie of the 
stipulas half an inch long, about half the length of the leaves. 
Rosemary-leaved Diodia. PI. 4 to 1 foot? 
23 D. areno'sa (D. C. prod. 4. p. 564.) stem decumbent, 
branched, tetragonal, rather scabrous above ; leaves lanceolate- 
linear, sessile, acuminated, with revolute edges, rather scabrous 
on both surfaces; bristles or ciliz of stipulas longer than the 
sheath; whorles 8-10-flowered ; fruit obovate-globose, scabrous 
from down, crowned by the 4 calycine teeth. bh. 2%. 8. Native 
of Brazil. Spermacdce arenòsa, Pohl, in litt. Nuts of fruit in- 
dehiscent. If Spermacdce ciliaris, Pav. in herb. Moric, be the 
same it is also a native of New Spain. 
‘and Diodia. Pl. decumbent. 
24 D. muttirto’ra (D. C. prod. 4. p. 564.) _stem and 
branches long and twiggy, compressedly tetragonal, hairy ; leaves 
lanceolate, sessile, acute, lined, beset with stiff villi on both sur- 
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